Source : Webster's Revised Unabridged Dictionary (1913)

Withdrawal \With*draw"al\, n.
   The act of withdrawing; withdrawment; retreat; retraction.
   --Fielding.

Source : WordNet®

withdrawal
     n 1: a retraction of a previously held position [syn: {backdown},
           {climb-down}]
     2: the act of taking out money or other capital
     3: the act of withdrawing
     4: avoiding emotional involvement [syn: {detachment}]
     5: formal separation from an alliance or federation [syn: {secession}]
     6: the termination of drug taking [syn: {drug withdrawal}]